Grizzly G0621 owner manual Blade Selection Wood Cutting, Blade Length, Blade Width, Tooth Style

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Blade Selection (Wood Cutting)

Selecting the right blade for the cut requires a knowledge of various blade characteristics.

Blade Length

Measured by the circumference, blade lengths are usually unique to the brand of your bandsaw and the distance between wheels. The Model G0621 uses 108" long blades. Refer to Page 35 for blade replacements.

Blade Width

Measured from the back of the blade to the tip of the blade tooth (the widest point), blade width is often the first consideration given to blade selec- tion. Blade width dictates the largest and smallest curve that can be cut, as well as how accurately it can cut a straight line.

The Model G0621 uses blades from 18" to 1" in width. Always pick the size of blade that best suits your application.

Curve Cutting: Use the chart in Figure 35 to determine the correct blade for curve cutting. Determine the smallest radius curve that will be cut on your workpiece and use the corre- sponding blade width.

Straight Cutting: Use the largest width blade that you own. Narrow blades can cut tight curves (a small radius) but are not very good at cutting straight lines because they naturally wander (blade lead). Large blades excel at cutting straight lines and are less prone to wander.

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Tooth Style

When selecting blades, another option to con- sider is the shape, gullet size, teeth set and teeth angle—otherwise known as “Tooth Style."

Figure 37 illustrates the three main categories of tooth style:

Raker Skip Hook

Figure 37. Raker, Skip & Hook tooth styles.

Raker: This style is considered to be the standard because the tooth size and shape are the same as the tooth gullet. The teeth on raker blades usually are very numerous, have no angle, and produce cuts by scrap- ing the material; these characteristics result in very smooth cuts, but do not cut fast and generate more heat than other types while cutting.

Skip: This style is similar to a raker blade that is missing every other tooth. Because of the design, skip toothed blades have a much larger gullet than raker blades, and therefore, cut faster and generate less heat. However, these blades also leave a rougher cut than raker blades.

Hook: The teeth on this style have a posi- tive angle (downward) which makes them dig into the material, and the gullets are usu- ally rounded for easier waste removal. These blades are excellent for the tough demands of resawing and ripping thick material.

G0621 Wood/Metal Bandsaw

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Contents Model G0621 WOOD/METAL Bandsaw Page Table of Contents Contact Info IntroductionForeword Machine Data Sheet G0621 Wood/Metal Bandsaw Identification Safety G0621 Wood/Metal Bandsaw Additional Safety Instructions for Bandsaws 220V Single-Phase Circuit RequirementsSetup Setup SafetyItems Needed for Setup UnpackingFasteners and Tools not shown Qty InventoryMain Components Figure Qty Hardware Recognition Chart Clean Up Placement LocationSite Considerations Floor LoadAssembly To assemble the bandsawPage Dust port installation G0621 Wood/Metal Bandsaw To center track the blade Dust Collection Blade TrackingTo connect a vacuum hose Test Run Changes in the blade tension may change the blade trackingAdjusting Support Bearings To adjust the support bearingsTensioning Blade To tension the bandsaw bladeG0621 Wood/Metal Bandsaw Adjusting Blade Guides To adjust the upper and lower blade guidesAdjusting Positive Stop Setting Table Tilt Scale to 0˚To set the positive stop 90˚ to the blade To calibrate the pointer on the table tilt scaleAligning Table Aligning FenceTo align the miter slot parallel to the bandsaw blade To align the fence parallel with the miter slotOperation Safety Basic Controls OperationsWorkpiece Inspection Wood OverviewStraight Cuts Irregular CutsTable Tilt Guide PostTo tilt the table Positive stop must be removed to move the table to the leftTo make a 90˚ crosscut RippingCrosscuttingTo make a rip cut Resawing Typical resawing operationCutting Curves Stacked Cuts To complete a stacked cutBlade Selection Wood Cutting Blade LengthBlade Width Tooth StyleTooth Pitch Blade CareBlade Breakage Most common causes of blade breakage areBlade Selection Metal Cutting To select the correct blade TPIBlade Changes To replace the bladeScale Calibration To calibrate the scaleAccessories Grizzly Bandsaw BladesG7315-Super Heavy-Duty Mobile Base G1928-Bandsaw HandbookMaintenance CleaningSchedule LubricatingMotor & Electrical ServiceTroubleshooting Cutting Operations MiscellaneousChecking V-Belts Accessing V-BeltsServicing V-Belts Tensioning/Replacing V-Belts To skew your fence Shimming Table Blade LeadTo shim the table Wheel Alignment Verifying Upper/Lower Wheels are CoplanarShimming Upper Wheel Adjusting Lower WheelTo adjust the lower wheel Electrical Component Wiring Motor junction box wiringWiring Diagram Breakdown Main Parts List DescriptionTable/Blade Guides Parts Breakdown Secondary Parts Breakdown Stand Parts Breakdown Fence Parts Breakdown Safety Labels Parts Breakdown Warranty and Returns Page Page Page